Alcohol
Yng Nghemeg, cyfansoddyn organig sydd â'r grŵp gweithredol hydrocsyl (-OH) wedi ei fondio i atom Carbon grŵp alcyl yw alcohol.
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| Enghraifft o'r canlynol | dosbarth strwythurol cyfansoddion cemegol, math o endid cemegol  |
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| Math | organic hydroxy compound, organooxygen compound |
| Rhan o | alcohol binding, alcohol metabolic process, alcohol catabolic process, alcohol biosynthetic process, response to alcohol, cellular response to alcohol, alcohol transmembrane transporter activity, alcohol O-cinnamoyltransferase activity, peroxiredoxin activity, beta-glucuronidase activity, glycerophosphodiester phosphodiesterase activity, carboxylic ester hydrolase activity, 6-phospho-beta-galactosidase activity, alpha-L-fucosidase activity, alcohol sulfotransferase activity, alpha-glucuronidase activity, fusarinine-C ornithinesterase activity, beta-primeverosidase activity, 2-deoxyglucosidase activity, thioredoxin-dependent peroxiredoxin activity, alkylhydroperoxide reductase activity |
| Yn cynnwys | Hydrocsyl |
 Ffeiliau perthnasol ar Gomin Wicimedia | |
Ffurfio alcohol
Ffurfio halogenoalcanau
Gellir paratio alcoholau cynradd ac eilaidd o halogenoalcanau drwy amnewid niwcleoffilig.
R-X + OH- → R-OH + X-
lle mae X yn grwp gweithredol halogen.
Cyfansoddion carbonyl
Gellir ffurfio alcohol cynradd trwy rydwytho asid carbocsylig neu aldehyd. Defnyddir yr asiantau rhydwytho Lithiwm tetrahydrido alwminad (LiAlH4) neu Sodiwm tetrahydridoborad (NaBH4).
Asid carbocsylig →Rhydwytho→ Aldehyd → Rhydwytho→ Alcohol Cynradd
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